Quiz 5: Lab procedures

Question 1

urine samples should be analyzed within _______ for maximum valid information

Answer 1

30 minutes

Question 2

which urine cast is a typical finding in low numbers?

Answer 2

hyaline cast

Question 3

diluted urine samples that have a SG less than plasma are described as:

Answer 3

hyposthenuria

Question 4

which is true of reticulocytes?
a. they are mature erythrocytes that still contain ribosomes
b. wright stain causes a polychromatophilic staining, or diffuse, purple-red
c. in cats both punctate and aggregate forms should be counted
d. organelles are not visible with new methylene blue stain

Answer 4

wright stain causes a polychromatophilic staining, or diffuse, purple-red

Question 5

what is the prepatent period of Dirofilaria immitis?

Answer 5

6-8 months

Question 6

Psoroptes spp. inhabit which hosts?

Answer 6

large animals and rabbits

Question 7

Borrelia burgdorferi is transmitted by:

Answer 7

deer tick

Question 8

whole blood contains the protein ______ that is not found in serum

Answer 8

fibrinogen

Question 9

what is a non-renal cause for an increase in serum urea nitrogen?

Answer 9

bleeding in the intestinal tract

Question 10

what test would be run on a dog suspected of having EPI?

Answer 10

TLI

Question 11

which electrolytes are intracellular?

Answer 11

phosphate or phosphorus, magnesium, and potassium

Question 12

which electrolytes help control water balance in the extracellular space?

Answer 12

sodium and chloride

Question 13

which stain is best for staining of mast cell granules?

Answer 13

new methylene blue

Question 14

what is a common fungal organism seen in ear cytology samples?

Answer 14

Malassezia

Question 15

a sample containing a mixture of parabasal, intermediate, and superficial cells with RBCs and neutrophils likely indicates which stage of estrous?

Answer 15

proestrus

Question 16

what type of media is MacConkey agar?

Answer 16

differential and selective medium

Question 17

Corynebacterium are bacteria that
a. are gram negative rods
b. are often curved and pleomorphic on Gram stain
c. look like Roman numerals on a Gram stain
d. are large, parallel-sided gram positive rods

Answer 17

are often curved and pleomorphic on Gram stain

Question 18

PCR testing
a. is easily performed in-house at clinics
b. uses DNA to identify harmful microbes
c. can only be used on pure cultures of a bacteria
d. has a limited scope of use in the veterinary field

Answer 18

uses DNA to identify harmful microbes